a:focus {
    outline: none;
}

.btn {
    display: inline-block;
    border: none;
    border-radius: .3em;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1), inset 0 -0.25em 0 rgba(0, 0, 0, 0.25), 0 0.25em 0.25em rgba(0, 0, 0, 0.05);
    color: #fff;
    cursor: pointer;
    font-family: 'Raleway', sans-serif;
    font-weight: 300;
    line-height: 1.5;  /*行高*/
    letter-spacing: 1px;
    padding: .5em 1.5em .75em; /*改变pading值可以改变元素大小*/
    position: relative;
    text-decoration: none;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.25);
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.btn:active {
    outline: none;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2), inset 0 2px 0 rgba(255, 255, 255, 0.1), inset 0 0.25em 0.5em rgba(0, 0, 0, 0.05);
    margin-top: .25em;
    padding-bottom: .5em;
}

.btn-red {
    background-color: #ef8f00;
}

.btn-md {
    font-size: 1em;
}
input {
    outline:none
}
.test-input{
    width: 250px;
    height: 50px;
    box-shadow:0px 0px 20px #aaa inset ;
    border-radius: 10px;
    border:1px solid white;
}